Rotary valve for gas-engines.



' G. B. BRINEY.

ROTARY-VALVE FOR GAS ENGINES.

APPLICATION FILED MAY 14. 1912.

1,154,479. Patented Sept. 21, 1915.

2 SHEETS-SHEET I.

WITNESSES [NVENTQR I v I Allorney G. B. BRINEY.

ROTARY VALVE FOR GAS ENGINES.

APPLICATION FILED MAY 14, 19l2.

Patented Sept. 21, 1915.

2 SHEETS-SHEET 2 R 0 T m V m GEORGE BURTON BRINEY, 0F GREENFIELD,INDIANA.

ROTARY VALVE FOR GAS-ENGINES.

Specification of Letters Patent.

Patented se t; 21, 1915.

Application filed May 14, 1912. Serial No. 697,231.

To all whom it may concern:

Be it known that I, GEORGE BURTON BRINEY, a citizen of the UnitedStates, residing at Greenfield, in the county of Hancock and State ofIndiana, have invented new and usefiil Improvements in Rotary Valves forGas-Engines, of which the following is a specification.

This invention relates to valves for an internal combustion engine, andmore specifically to a rotating valve whereby the engine will beimproved and simplified by dispensing with all spring actuated valvesand tripping mechanism usually employed for controlling the admissionand exhaust ports.

The primary object of the present invention is to construct a valve ofthe character described which is to be used on a fourcycle engine, or agas engine having its cylinders arranged in pairs, whereby one valve maybe used for admitting. the intake into each of the pair's of cylindersandthe other to regulate the exhaust of each of the pairs of cylinders.

A further object of this invention is to construct a valve of the beforementioned type which may be easily and readily attached to or detachedfrom the crank shaft and removed from the engine casing and one wherebythe crank shaft and the valve may be lubricated from one predeterminedpoint.

Other objects will appear hereinafter as the description continues.

With the above and other objects in view this invention consists of thenovel construction, combination, formation and arrangement of parts aswill be hereinafter more fully described, claimed and illustrated in theaccompanying drawings, in which Figure 1 is a side elevation of afour-cycle internal combustion engine having portions of the casingsbroken away to clearly illustrate the connection between the valve shaftand the crank shaft of theengine. Fig. 2 is a vertical transversesection taken through one of the combustion chambers illustrating boththe intake and exhaust valves in section and the intake valve shaft andcasing in section, and Fig. 3 is a horizontal section taken through theupper end of the cylinders and valve casings.

Referring now more particularly to the drawings, wherein a specificembodiment of my invention is illustrated, the numeral 10 indicates acasing having a pair of cylinders mounted therein, which casing ismounted upon a suitable crank shaft casing 11. Mounted for reciprocationin each of the cylinders is a piston 12 which is connected to andadapted to operate a piston rod 13 which is connected to the crank shaftlet in the usual and well known manner.

Mounted on each side ofthe twin cylinder casing 10 are valve casings 15each having mounted for rotation therein my improved valve 16. Theserotating valves 16 are mounted upon the vertically extending shafts 17which are operated by the crank shaft 14 as will be hereinafterdescribed.

Mounted longitudinally within the crank casing 11 is a pair of parallelshafts 18 one of these shafts having mounted thereon a large gear 19which meshes with a small gear 20 mounted upon the shaft 14. A smallergear 21 is mounted adjacent the large gear 19 and is adapted to meshwith a similar gear 22 mounted on the other shaft 18. By these series ofgears the shafts 18 will be rotated in unison with the crank shaft-14.Mounted at diflerent intervals on each of the shafts 18 are verticallydisposed worm gears 23 which are adapted to mesh with horizontallyarranged gear wheels 21 mounted on the lower extremity of each of thevertically extending valve shafts 17.

The before mentioned gearing comprises means whereby the said valves maybe rotated but it is to be understood that any preferred means may beused and the same is to be geared to regulate the timing of the intakeand exhaust ports in the usual and well known way.

Each of the valves 16 is approximately an inverted cup having the lowerend open and its upper end keyed as at 25 to the end of the shaft 17.Each of these valves is also provided with an opening 26 through whichthe gas is supplied to the cylinders and exhausted therefrom in theusual manner. The valves 16 are also provided with packing rings toeliminate any possible escape of the gases. mounted in each of the valvecasings 15 and so arranged that if the valve should become worn orbroken for any reasons whatever the cap may be easily removed and thevalve removed from the valve stem and a new one inserted in its place.The valve shaft 17 is nate any possible friction upon the valve and thismeans consists of bushin 28 which mounted within the casing an theupper- A screw-threaded, cap. 27 isend of the shaft 17 is provided witha flange 29 which rests upon the upperend of bushing 28 and a nut 30 isscrewed upon the lower extremity of the said shaft which prevents anyupward movement of the shaft and also firmly holds the gear 24 in itsproper position.

To lubricate the valve and the valve shaft 17 I provide an opening 31 inthe upper end of each of the valve casings which communicates with arecess 32 formed around the upper extremity of the said valve which willhold the desired amount of oil and supply the same to the valve and theupperend of each of the valves is provided with a recess to catch theoverflow of the oil and direct the same through a vertically extendingaperture 33 formed in the valve shaft 17. The oil is supplied to thebushings through the openings 34 which are communicant with the aperture33, upon lubricating the bushings, the .oil is then directed to thelower extremity of the shaft into the bottom of the crank casing 11.

It is obvious that when the gas is admitted through the intake pipe 35it is directed to the valve mounted within said pipe and upon thereciprocation of said piston the gases will be admitted into thecombustion chamber for explosion at the desired intervals and thegearing being so geared to permit the exhaust gases to exhaust into theatmosphere through the exhaust pipe 36 in the usual way. The pistoncasing and the valve casing are each provided with water jackets, toinsure good cooling to the valves and the pistons in the usual and wellknown manner. 7

While I have thus shown and described the valve and its operation withconsiderable exactness, it will be understood that this is only anembodiment of the principles underlying the invention which may bepractised or applied in a number of ways without departing from thespirit and scope'of the present invention.

Having thusfully described my invention, what I claim as new and desireto se c'ureby Letters Patent, is

1. In an engine including a working cylinder, a piston reciprocable inthe cylinder, a crank shaft operable by the piston and valvesrespectively controlling the inlet and exhaust of fuel into and from thecylinder, each of said valves including an apertured shaft, a valve headsupported by the shaft, means for driving the shaft from said crankshaft, and means coacting with the aperture of each valve shaft forlubricating the valve, its adjuncts and said crank shaft.

2. In an engine including a working cylinder, a piston reciprocable inthe cylinder, a crank shaft operable by the piston and valvesrespectively controlling the inlet and exhaust of fuel into and from thecylinder, each of said valves including an apertured shaft, a valve headsupported by the shaft, means for driving the shaft from said crankshaft, means for supporting each Valve shaft to eliminate friction uponthe valves, and means coacting with the aperture of each valve shaft forlubricating the valve, its adjuncts and said crank shaft.

3. In an engine including a working cylinder, a piston reciprocable inthe cylinder, a crank shaft operable by the piston and valvesrespectively controlling the inlet and exhaust of fuel into and from thecylinder, each of said valves including an apertured shaft,-a valve headsupported by the shaft, means for driving the shaft from said crankshaft, and a casing for each valve having openings formed therein, theupper face of each valve being provided with a recess communicating withrespective openings for the lubrication of the valve, its adjuncts andsaid crank shaft.

4. In an engine including a working cylinder, a piston reciprocable inthe cylinder, a crank shaft operable by the piston and valvesrespectively controlling the inlet and exhaust of fuel into and from thecylinder, each of said valves including a shaft provided with alongitudinally extending aperture, a valve casing formed with aperturescommunicating with the shaft aperture in forming a coacting means forlubricating the bearings of said shaft, and means con necting sa1d valveshafts and said crank shaft for driving each of, the former from thelatter. a

5. In an engine, a working cylinder, a piston reciprocable in thecylinder, a crank shaft operable by the piston, valve casings adjacentthe cylinder and in communication therewith, an apertured shaft mountedin each casing, bushings supporting each shaft, an inverted cup valvecarried by each shaft to control communications between the casings andthe cylinder, an aperture being formed in each casing to communicatewith the aperture of the valve shaft in conducting a lubricating agentto each of the bushings and in directing the surplus to said crankshaft, and drive means between each of the valve shafts and said crankshaft.

GEORGE BURTON BRINEY. Witnesses:

OSCAR O. BEVER, ORA MYERS.

